Sarah and James Hernandez purchased 200 shares of Cisco Systems stock at $15.40 a share. One year later, they sold the stock for $24.30 a share. They paid a broker a $39 commission when they purchased the stock and a $48 commission when they sold the stock. During the 12-month period the couple owned the stock, Cisco Systems paid no dividends. Calculate the Hernandez's total return for this investment